Hidden in an ordinary Midtown building is a one-room museum dedicated to the greatest escape artist.

The first piece of public art dedicated to LGBT rights.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

Visit the monolithic tomb of America's most famous general.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

A semi-scholarly approach to sex.

Mysterious meeting place for UFO hunters near Area 51.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

This cathedral's stained-glass patchwork of psychedelic colors and shapes was put in place long before the swinging 60s.

The ruins of a 12th-century Cistercian monastery can be found alongside World War II tank traps and pillboxes.

Want to properly offend a king? Sculpt a giant hill figure in chalk of him riding out of town.

A half-mile-long stretch of medieval forts built after a devastating pirate attack persists amid the modern port city.

Now a memorial to merchant sailors and Titanic victims, this medieval church was destroyed by bombing raids in 1940.

A whimsical cottage from the 1300s with a preserved Victorian-era post office inside.

This hill and tower are steeped in legend, from King Arthur to the Holy Grail.

This Roman amphitheater is said to be King Arthur's legendary Round Table.

In the ruins of Glastonbury Abbey lies the alleged resting place of the legendary king.

Giant naked man on a hillside.

This antique prison is a tourist attraction with a sordid past.

The most loyal of little dogs, or a Victorian era publicity stunt?

High Victorian fantasy created a fairytale castle out of a ruined fortress in Wales.

A castle in the Scottish Highlands has been continuously inhabited since the 1300s.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.